What exactly is DNS?

Buzz

Ngày cập nhật gần nhất: 15/4/2026

DNS, a fundamental component enhancing our web experience. Despite its significance, it remains widely misunderstood. Hence, users are encouraged to explore and implement various popular DNS servers to optimize their network speed.

For newcomers delving into computer networking, have you ever pondered on the concept of DNS? A thorough understanding unveils its pivotal role and the myriad benefits it offers.

DNS Explained: How to Check DNS Servers on PC

I. Understanding DNS

DNS serves as the domain name resolution system that maps IP addresses to domain names. It facilitates diverse information linkage, enabling access to network services such as websites, mail servers, and web servers. Additionally, DNS assists in device addressing for localization purposes.

II. How to Check DNS on PC

1. Checking DNS on PC via Settings Menu

Step 1: Press Windows + I keys simultaneously, select Network & internet => click Properties.

Step 2: Press properties.

Step 3: The DNS address on your computer will be displayed as shown below.

2. Checking DNS on PC via Command Prompt

Step 1: Press Window + R keys simultaneously, type CMD => press OK.

Step 2: Enter the command ipconfig/all and press Enter on the keyboard.

Step 3: DNS Servers will appear on the PC screen as shown below.

3. Checking DNS via Control Panel on PC

Step 1: Open Control Panel, then click on View network status and tasks.

Step 2: Press the Wifi you are currently using.

- In the Wifi Status panel, click on Details.

Step 3: IPv4 DNS Servers will be displayed as shown in the illustration below.

III. Some of the Most Popular DNS Servers in Vietnam

The following DNS list will enhance users' web experience, accessing regionally blocked content,...

1. Google DNS Server

This is one of the most popular DNS servers in Vietnam due to its fast speed, stability, and high security level.

- Preferred DNS Server: 8.8.8.8

- Alternate DNS Server: 8.8.4.4

Reference: How to Change DNS to Google on Computers and Phones

2. OpenDNS DNS Server

Next up is a lightning-fast server based on cloud systems, helping protect your computer from cyber attacks on Internet networks. To use OpenDNS Server, you need to set up the network system with the following IP address.

- Preferred DNS Server: 208.67.222.222

- Alternate DNS Server: 208.67.220.220

3. Cloudflare DNS Server

Cloudflare is an intermediary DNS service that facilitates user-server connections through the CloudFlare protection layer before they can access websites.

- Preferred DNS Server: 1.1.1.1

- Alternate DNS Server: 1.0.0.1

4. VNPT, Viettel, and FPT Fiber Optic DNS Servers

Currently, with frequent fiber optic cable disruptions, VNPT, Viettel, and FPT networks all provide support for their own DNS Servers to users.

- VNPT

+ Preferred DNS Server: 203.162.4.191

+ Alternate DNS Server: 203.162.4.190

- Viettel

+ Preferred DNS Server: 203.113.131.1

+ Alternate DNS Server: 203.113.131.2

- FPT

+ Preferred DNS Server: 210.245.24.20

+ Alternate DNS Server: 210.245.24.22

Right after checking the DNS on your computer, readers can change DNS on Windows 11, supporting users to access the Internet faster with stable connections, while blocking annoying ads and securing user information.

Frequently Asked Questions

What is the primary function of DNS in networking?

The primary function of DNS, or Domain Name System, is to map domain names to IP addresses, allowing users to access websites and services by entering human-readable names instead of numerical addresses. This essential service facilitates seamless connectivity and access to various network resources.

How can I check my DNS server settings on a PC?

You can check your DNS server settings on a PC by navigating to the Settings menu, using the Command Prompt, or through the Control Panel. Each method involves specific steps, such as entering commands or accessing network properties, to reveal your current DNS server details.

What are some popular DNS servers available in Vietnam?

Some popular DNS servers in Vietnam include Google DNS (8.8.8.8), OpenDNS (208.67.222.222), and Cloudflare DNS (1.1.1.1). These servers are known for their speed, reliability, and security features, making them ideal choices for optimizing internet connectivity.

Why should I consider changing my DNS server on my computer?

Changing your DNS server can enhance your internet speed, improve security, and allow access to regionally blocked content. By using faster and more reliable DNS options, users can enjoy a more stable and efficient online experience.

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